65151516072 has 16 divisors (see below), whose sum is σ = 162878790240. Its totient is φ = 21717172016.

The previous prime is 65151515981. The next prime is 65151516103. The reversal of 65151516072 is 27061515156.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65151516072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1357323228 + ... + 1357323275.

It is an arithmetic number, because the mean of its divisors is an integer number (10179924390).

Almost surely, 2^65151516072 is an apocalyptic number.

It is an amenable number.

65151516072 is an abundant number, since it is smaller than the sum of its proper divisors (97727274168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65151516072 is a wasteful number, since it uses less digits than its factorization.

65151516072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714646512 (or 2714646508 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 65151516072 in words is "sixty-five billion, one hundred fifty-one million, five hundred sixteen thousand, seventy-two".